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CVSS: 7.8EPSS: 0%CPEs: 72EXPL: 0

During secure boot, addition is performed on uint8 ptrs which led to overflow issue in Small Cell SoC, Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in version FSM9055, IPQ4019, MDM9206, MDM9607, MDM9625, MDM9635M, MDM9640, MDM9645, MDM9650, MDM9655, MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 800, SD 810, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDX20 Durante el arranque seguro, se realiza una suma en uint8 ptrs, lo que conduce a un problema de desbordamiento en Small Cell SoC, Snapdragon Automobile, Snapdragon Mobile y Snapdragon Wear en versiones FSM9055, IPQ4019, MDM9206, MDM9607, MDM9625, MDM9635M, MDM9640, MDM9645, MDM9650, MDM9655, MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 800, SD 810, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660 y SDX20. • https://www.qualcomm.com/company/product-security/bulletins • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.8EPSS: 0%CPEs: 62EXPL: 0

ClientEnv exposes services 0-32 to HLOS in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in version MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, Snapdragon_High_Med_2016 ClientEnv expone los servicios 0-32 al HLOS en Snapdragon Automobile, Snapdragon Mobile y Snapdragon Wear en versiones MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660 y Snapdragon_High_Med_2016. • http://www.securitytracker.com/id/1041432 https://www.qualcomm.com/company/product-security/bulletins •

CVSS: 7.8EPSS: 0%CPEs: 18EXPL: 0

While accessing SafeSwitch services, third party can manipulate a given device and perform unauthorized operation due to lack of checking of same state transitions in Snapdragon Automobile, Snapdragon Mobile in version MSM8996AU, SD 410/12, SD 617, SD 650/52, SD 810, SD 820, SD 820A Al acceder a los servicios SafeSwitch, los terceros pueden manipular un dispositivo determinado y realizar operaciones no autorizadas debido a la falta de comprobaciones de algunas transiciones del mismo estado en Snapdragon Automobile y Snapdragon Mobile en versiones MSM8996AU, SD 410/12, SD 617, SD 650/52, SD 810, SD 820 y SD 820A • https://source.android.com/security/bulletin/2018-09-01#qualcomm-closed-source-components https://www.qualcomm.com/company/product-security/bulletins • CWE-862: Missing Authorization •

CVSS: 7.8EPSS: 0%CPEs: 48EXPL: 0

In a device, with screen size 1440x2560, the check of contiguous buffer will overflow on certain buffer size resulting in an Integer Overflow or Wraparound in System UI in Snapdragon Automobile, Snapdragon Mobile in version MDM9635M, SD 400, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 800, SD 810, SD 820, SD 820A, SD 835, SDM630, SDM636, SDM660, Snapdragon_High_Med_2016. En un dispositivo, con un tamaño de pantalla de 1440x2560, la comprobación de un búfer continuo se desbordará en ciertos tamaños de búfer, lo que resulta en un desbordamiento de búfer o un wraparound en la UI del sistema en Snapdragon Automobile y Snapdragon Mobile en versiones MDM9635M, SD 400, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 800, SD 810, SD 820, SD 820A, SD 835, SDM630, SDM636, SDM660 y Snapdragon_High_Med_2016. • https://source.android.com/security/bulletin/2018-07-01#qualcomm-closed-source-components https://www.qualcomm.com/company/product-security/bulletins • CWE-190: Integer Overflow or Wraparound •

CVSS: 5.7EPSS: 0%CPEs: 20EXPL: 0

Under certain mode of operations, HLOS may be able get direct or indirect access through DXE channels to tamper with the authenticated WCNSS firmware stored in DDR because DXE-accessible memory is located within the authenticated image in Snapdragon Mobile and Snapdragon Wear in version MSM8909W, SD 210/SD 212/SD 205, SD 410/12, SD 615/16/SD 415, SD 617. En ciertos modos de operaciones, HLOS podría ser capaz de obtener acceso directo o indirecto mediante los canales DXE para manipular el firmware WCNSS autenticado almacenado en DDR debido a que la memoria DXE accesible se ubica en la imagen autenticada en Snapdragon Mobile y Snapdragon Wear en versiones MSM8909W, SD 210/SD 212/SD 205, SD 410/12, SD 615/16/SD 415 y SD 617. • https://source.android.com/security/bulletin/2018-09-01#qualcomm-closed-source-components https://www.qualcomm.com/company/product-security/bulletins •